Keystones — Bedrock
Five GCSE retrieval questions · 20 January 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 36 + 83
Answer: 36 + 83 = 119 -
2. Algebra Substitution
If x = 4, find the value of 8x + 5
Answer: 37 -
3. Geometry Converting lengths
Convert 14m to cm
Answer: 1400cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:24
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 19, 9, 17, 11
Answer: 14